<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>背景</title>
	<style type="text/css">
		/*.box{
			width: 200px;
			height: 200px;
			background: red url(./timg.jpg) -300px -200px no-repeat;
			float: left;
		}*/

		ul{
			width: 35px;
		}
		li{
			list-style: none;
			width: 35px;
			height: 35px;
			background: #7A6E6E url('./tool.png') 0 0 no-repeat;
			margin-bottom: 2px;
		}
		.box1{
			background-position: -87px -175px;
		}
		.box2{
			background-position: -48px 0px;
		}

		.box3{
			background-position: -48px -48px;
		}


	</style>
</head>
<body>

	<!-- <div class="box">sdfsdfsdfsdfsdf
	</div> -->

	<ul>
		<li class="box1"></li>
		<li class="box2"></li>
		<li class="box3"></li>
		<li></li>
	</ul>
</body>
</html>